<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" lang="zh_cn"
      xmlns:layout="http://www.ultraq.net.nz/web/thymeleaf/layout">
<head>
	<title> spring boot </title>
</head>
	<body>
		<h1>嘟嘟嘟</h1>
		<span th:text="${content}"></span>
	</body>
</html>